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BA II PLUS™
Calculator
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Important Information Texas Instruments makes no warranty, either express or implied, including but not limited to any implied warranties of merchantability and fitness for a particular purpose, regarding any programs or book materials and makes such materials available solely on an "as-is" basis. In no event shall Texas Instruments be liable to anyone for special, collateral, incidental, or consequential damages in connection with or arising out of the purchase or use of these materials,
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Contents Important Information................................................................... ii USA FCC Information Concerning Radio Frequency Interferenceii 1 Overview of Calculator Operations..................................1 Turning On the Calculator ............................................................. 1 Turning Off the Calculator............................................................. 1 Selecting 2nd Functions ..............................................................
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Uneven and Grouped Cash Flows................................................42 Entering Cash Flows......................................................................43 Deleting Cash Flows......................................................................43 Inserting Cash Flows .....................................................................44 Computing Cash Flows .................................................................44 Example: Solving for Unequal Cash Flows ..............
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1 Overview of Calculator Operations This chapter describes the basic operation of your BA II PLUS™ calculator, including how to: Turn on and turn off the calculator Select second functions Read the display and set calculator formats Clear the calculator and correct entry errors Perform math and memory operations Use the Last Answer feature Use worksheets Turning On the Calculator Press $. If you turned off the calculator by pressing $, the calculator returns to the standard-c
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The Constant Memory™ feature retains all worksheet values and settings, including the contents of the 10 memories and all format settings. Automatic Power Down™ (APD™) Feature To prolong battery life, the Automatic Power Down (APD) feature turns off the calculator automatically after about five minutes of inactivity. The next time you press $, the calculator turns on exactly as you left it, saving display settings and stored memory and any pending operations or error conditions. Selectin
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The indicators along the top of the display tell you which keys are active and offer information about the status of the calculator. Indicator Meaning 2nd Press a key to select its second function. INV Press a key to select its inverse trigonometric function. HYP Press a key to select its hyperbolic function. COMPUTE Press % to compute a value for the displayed variable. ENTER Press ! to assign the displayed value to the displayed variable. Press & V to change the setting of the displayed S
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Setting Calculator Formats You can change these calculator formats: To Select Press Display Default Number of & | DEC 0–9 (Press 9 for 2 decimal floating-decimal) places Angle units # DEG (degrees) DEG RAD (radians) Dates # US (mm-dd-yyyy) US Eur (dd-mm-yyyy) Number # US (1,000.00 ) US separators Eur (1.000,00) Calculation # Chn (chain) Chn method AOSé (algebraic operating system) 1. To access format options, press & |. The DEC indicator appears with the selected number of decimal places. 2.
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Changing the number of decimal places affects the display only. Except for amortization and depreciation results, the calculator does not round internal values. To round the internal value, use the round function. Note: All examples in this guidebook assume a setting of two decimal places. Other settings might show different results. Choosing the Angle Units The angle unit value affects the display of results in trigonometric calculations. When you select radians, the RAD indicator appears
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Resetting the Calculator Resetting the calculator: Clears the display, all 10 memories, any unfinished calculations, and all worksheet data. Restores all default settings Returns operation to the standard-calculator mode Because the calculator includes alternative methods that let you clear data selectively, use reset carefully to avoid losing data needlessly. (See “Clearing Calculator Entries and Memories” on page 6.) For example, you might reset the calculator before using it for the
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To clear Press The prompted worksheet and reset default values & z Calculator format settings and reset default values & | & z Out of the prompted worksheet and return to & U standard-calculator mode All pending operations in standard-calculator mode In a prompted worksheet, the variable value P P keyed in but not entered (the previous value appears) Any calculation started but not completed TVM worksheet variables and reset default values & U & ^ One of the 10 memories (without affect
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Math Operations When you select the chain (Chn) calculation method, the calculator evaluates mathematical expressions (for example, 3 + 2 Q 4) in the order that you enter them. Examples of Math Operations These operations require you to press N to complete. To Press Display Add 6 + 4 6 H 4 N 10.00 Subtract 6 N 4 6 B 4 N 2.00 Multiply 6 Q 4 6 < 4 N 24.00 Divide 6 P 4 6 6 4 N 1.50 1.25 3 ; 1.25 N 3.95 Find universal power: 3 Use parentheses: 7 Q (3 + 5) 7 < 9 3 H 5 : N 56.00 Find percent: 4%
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To Press Display .69315 .69315 & i 2.00 Find natural antilogarithm: e Round 2 P 3 to the set decimal format 2 6 3 N & o 0.67 Generate random number* & a 0.86 Store seed value D & a 0.86 Find sine:** sin(11.54°) 11.54 & d 0.20 Find cosine:** cos(120°) 120 & e -0.50 Find tangent:** tan(76°) 76 & f 4.01 -1 .2 8 d 11.54 Find arcsine:** sin (.2) -1 .5 S 8 e 120.00 Find arccosine:** cos (-.5) -1 4 8 f 75.96 Find arctangent:** tan (4) 0.52 Find hyperbolic sine: sinh(.5) .5 & c d 1.13 Find hyperbolic co
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Parentheses 9 : Use parentheses to control the order in which the calculator evaluates a numeric expression in division, multiplication, powers, roots, and logarithm calculations. The calculator includes up to 15 levels of parentheses and up to 8 pending operations. Note: You do not have to press : for expressions ending in a series of closed parentheses. Pressing N closes parentheses automatically, evaluates the expression, and displays the final result. To view intermediate results, pre
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For example, working in the Bond worksheet, you might want to round a computed selling price to the nearest penny (two decimal places) before continuing your calculation. Note: The calculator stores values to an accuracy of up to 13 digits. The decimal format setting rounds the displayed value but not the unrounded, internally stored value. (See “Choosing the Number of Decimal Places Displayed” on page 4.) Scientific Notation ; When you compute a value in the standard-decimal format that i
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Memory Operations You can store values in any of 10 memories using the standard calculator keys. Note: You can also use the Memory worksheet. (See “Memory Worksheet” on page 80.) You can store in memory any numeric value within the range of the calculator. To access a memory M0 through M9, press a numeric key (0 through 9). Clearing Memory Clearing memory before you begin a new calculation is a critical step in avoiding errors. To clear an individual memory, store a zero value in it
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Memory arithmetic changes only the value in the affected memory and not the displayed value. Memory arithmetic does not complete any calculation in progress. The table lists the available memory arithmetic functions. In each case, the specified memory stores the result. To Press Add the displayed value to the value stored in memory 9 D H 9 (M9). Subtract the displayed value from the value stored in D B 3 memory 3 (M3). Multiply the value in memory 0 (M0) by the displayed value. D < 0 Divid
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Keystrokes for Constant Calculations This table shows how to create a constant for various operations. To* Press** Add c to each subsequent entry n H & ` c N Subtract c from each subsequent entry n B & ` c N Multiply each subsequent entry by cn < & ` c N Divide each subsequent entry by cn 6 & ` c N Raise each subsequent entry to the power of cn ; & ` c N Add c% of each subsequent entry to that entry n H & ` c 2 N Subtract c% of each subsequent entry from the n B & ` c 2 N entry *The letter c den
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To Press Display Key in a new calculation 2 ; 2.00 Recall the last answer & x 4.00 Complete the calculation N 16.00 Using Worksheets: Tools for Financial Solutions The calculator contains worksheets with embedded formulas to solve specific problems. You apply settings or assign known values to worksheet variables and then compute the unknown value. Changing the values lets you ask what if questions and compare results. Except for TVM variables, accessed in the standard- calculator m
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To select Function Press Statistics worksheet Analyzes statistics on one- or & k (Chapter 6) two-variable data using four regression analysis options Percent Computes percent change, & q Change/Compound compound interest, and cost- Interest worksheet sell markup (Chapter 7) Interest Conversion Converts interest rates & v worksheet between nominal rate (or (Chapter 7) annual percentage rate) and annual effective rate Date worksheet Computes number of days & u (Chapter 7) between two dates, or
